4.5 oz./yd², 100% combed ring-spun cotton, 30 singles; All Vintage colors are 60/40 combed ring-spun cotton/polyester ; Flatlock stitched ribbed collar and raglan armholes; Contrast double-needle stitched sleeves; Raw serge shirttail hem; CPSIA compliant tracking label on side seam; EasyTear™ label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified